Arindam
Sahoo.

• —Owned end-to-end QA for 30+ connectors including Stripe, Braintree, Authorize.net, JPMorgan, Paystack, WorldpayXML, Recurly, Chargebee, and more
• —Validated complex payment flows: external 3DS, wallets, incremental auth, and retries — tested 200+ PRs across v2 Payments, Refunds, Method Sessions, User Auth, API Key routing, and multi-tenant email logic
• —Led settlement reconciliation and USA/Europe payment analytics for the Recon team — processed raw transaction data at scale in Python to surface discrepancies between gateway records and internal ledgers
• —Owned daily integration and sandbox deployments (v1 & v2), database migration tracking, and complete v2 verifications
• —Designed a rule-based routing system to automate pre-deployment sanity — reduced manual QA cycles that had run entirely by hand for two years
• —Built Jenkins CI/CD pipelines and internal CLI automation tools that collapsed multi-step engineering workflows to a single command
• —Coordinated production releases end-to-end with founding engineers, ensuring zero-regression deployments across payment-critical services

Translating technical programming content — Python, DSA, web development — for GUVI's vernacular learning platform, part of HCL & IIT Madras Research Park.

Teaching Python, web development, and foundational CS to K–12 students. Also worked as Content Developer and Content Reviewer, building and auditing curriculum.

One-on-one and group instruction in Python and programming fundamentals.

Developed curriculum and course content for programming and computer science topics — covering DSA, Algorithms, C++, Python, Java, and C. Designed learning objectives, assessment strategies, and structured learning paths.